Need some 'breakdown' help..

OK. Maybe it’s laziness or maybe it’s been lack of up to date literature and the like, but i’m having a hard time differentiating all the marks of Hawk that are out there currently. Can anybody break the Hawks down for me? Or show me where to go so i can see them broken down? You know, like who’s got what mark and maybe even some kind of imagery or description so there is a way to tell them apart.

Thanx ahead for any assist.